SJKQ1 Dual Power Automatic Transfer Switch

Scope of application
SJKQ1 dual power conversion switch (hereinafter referred to as dual power) is suitable for power supply systems with AC 501Hz, rated working voltage of 400V, rated working current of 63A and below. The selection and conversion between two power sources can be carried out according to the needs. The product has overload, short circuit, and undervoltage protection functions, as well as fire protection, double opening, and output closing signal functions. Specially suitable for lighting circuits in office buildings, shopping malls, banks, high-rise buildings, etc. that require fire protection needs
This product complies with the GB/T14048.11 standard

Normal working conditions
The altitude of the installation location shall not exceed 2000m
◆ Surrounding air temperature:
The upper limit of the surrounding air temperature shall not exceed+140C: The average temperature of the surrounding air for 24 hours shall not exceed+35 ℃. The lower limit of ambient air temperature shall not be lower than -5 ℃
◆ Humidity:
When the maximum temperature is+40 ℃, the relative humidity of the air should not exceed 50%. Higher relative humidity is allowed at lower temperatures, such as reaching 90% at 20 ℃. Special measures should be taken for occasional condensation caused by humidity changes
Installation conditions: Install in a place without impact vibration and without rain or snow invasion; Connect the upper terminal to the power side and the lower terminal to the load side; The inclination with respect to the vertical plane shall not exceed 5 °
Installation category: III
The external magnetic field near the installation site shall not exceed 5 times the geomagnetic field in any direction
Structure and Working Principle
◆ Structure
The SJKQ1 dual power switch mainly consists of two miniature circuit breakers, an electric motor, a controller, and a mechanical rotating device. The switch has three status positions for users to choose from. Common power supply combination, dual split, backup power supply combination
Adopting high breaking miniature circuit breakers with breaking capacity and characteristics
The structure is simple and practical, easy to operate, with advantages such as no noise, low impact force, and long practical life
◆ Working principle
The dual power automatic transfer switch detects two power sources through the controller. When one power source is abnormal, the controller makes logical judgments on the detection results and drives the operating mechanism to open or close according to the controller's instructions, thereby ensuring safe and reliable power supply to the load


Ordering Notice
When placing an order, the user must specify
◇ Name and model of dual power automatic transfer switch
◇ Rated current of dual power automatic transfer switch (A)
◇ Number of poles (four poles, if not specified by the customer, the product is a three-phase four wire system)
◇ Controller type for dual power automatic transfer switch
◆ Quantity
Customer requirements for miniature circuit breakers DZ47 or C65
For example: Order 50 units of dual power automatic transfer switch, three pole, rated current 6A, terminal type. Can be written as: SJKQ1-63/3P6A50 units
Ordering dual power automatic transfer switch, four pole, rated current 63A, intelligent type, miniature circuit breaker requires 50 units of C45D type. Can be written as: SJKQ1-63/4PZ63AC45D50 units